WO2011059231A2 - Procédé et appareil pour recevoir un message de commande de diffusion efficace utilisant un en-tête pdu mac dans un système d'accès sans fil - Google Patents

Procédé et appareil pour recevoir un message de commande de diffusion efficace utilisant un en-tête pdu mac dans un système d'accès sans fil Download PDF

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Publication number
WO2011059231A2
WO2011059231A2 PCT/KR2010/007921 KR2010007921W WO2011059231A2 WO 2011059231 A2 WO2011059231 A2 WO 2011059231A2 KR 2010007921 W KR2010007921 W KR 2010007921W WO 2011059231 A2 WO2011059231 A2 WO 2011059231A2
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Prior art keywords
control message
broadcast control
header
broadcast
type information
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PCT/KR2010/007921
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English (en)
Korean (ko)
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WO2011059231A3 (fr
Inventor
이은종
류기선
육영수
박기원
곽진삼
김용호
김정기
Original Assignee
엘지전자 주식회사
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Priority to US13/509,238 priority Critical patent/US9060300B2/en
Priority claimed from KR1020100111244A external-priority patent/KR20110052492A/ko
Publication of WO2011059231A2 publication Critical patent/WO2011059231A2/fr
Publication of WO2011059231A3 publication Critical patent/WO2011059231A3/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel

Definitions

  • the present disclosure relates to a method and apparatus for receiving a broadcast control message in a wireless access system, and more particularly, to a method and apparatus for efficiently receiving a broadcast message using a header of a MAC PDU.
  • a communication system based on the Internet generally consists of a protocol stack consisting of five layers, and the configuration of each protocol layer is shown in FIG. 1.
  • 1 is a diagram illustrating an example of a commonly used Internet protocol stack.
  • the top layer of the protocol stack is an application layer, which is a layer for supporting network applications such as FTP / HTTP / SMTP / RTP.
  • an application layer which is a layer for supporting network applications such as FTP / HTTP / SMTP / RTP.
  • transport layer that performs data transmission function between hosts using a TCP / UDP protocol and a network layer that performs data transmission path setting from a source to a destination through an IP protocol.
  • the protocol stack performs bit-by-bit transmission of data using a wire link or wireless medium and a link layer that is responsible for data transmission and medium access control (MAC) between neighboring network entities through a PPP / Ethernet protocol. It is composed of the lowest physical layer.
  • MAC medium access control
  • FIG. 2 is a diagram illustrating the operation of each layer for data transmission generally used.
  • the transmission layer on the transmitting side adds header information to a message payload received from an application layer which is a higher layer to generate a new data unit.
  • the transport layer sends it back to the lower network layer.
  • a new data unit is generated by adding header information used in the network layer to data received from the transport layer, and then transmitted to the link layer, which is a lower layer.
  • the link layer adds header information used in the link layer to data received from the upper layer to generate a new data unit, and transmits it to the lower layer physical layer.
  • the physical layer transmits the data unit received from the link layer to the receiving side.
  • the physical layer on the receiving side receives the data unit from the transmitting side and transmits the data unit to its link layer, which is its upper layer.
  • the receiving side processes the header added for each layer and transmits the message payload from which the header is removed to the upper layer. Through this process, data transmission and reception are performed between the transmitting side and the receiving side.
  • a protocol header is added at each layer to transmit and receive data between a transmitting side and a receiving side to perform control functions such as data addressing, routing, forwarding, and data retransmission.
  • FIG 3 illustrates a protocol layer model defined in a wireless mobile communication system based on an IEEE 802.16 system.
  • the MAC layer belonging to the link layer may consist of three sublayers.
  • Service-Specific Convergence Sublayer uses MAC SDU (CPS: Common Part Sublayer) of data from an external network received through a CS SAP (Service Access Point). Can be transformed or mapped into Service Data Units.
  • This layer may include a function of classifying SDUs of an external network and then associating a corresponding MAC Service Flow IDentifier (SFID) with a Connection IDentifier (CID).
  • SFID MAC Service Flow IDentifier
  • CID Connection IDentifier
  • MAC CPS is a layer that provides the core functions of MAC such as system access, bandwidth allocation, connection establishment and management, and receives data classified by specific MAC connection from various CSs through MAC SAP. .
  • QoS quality of service
  • the security sublayer may provide authentication, security key exchange, and encryption functions.
  • the MAC layer is a connection-oriented service and is implemented in the concept of transport connection.
  • a service flow may be defined by negotiation between the terminal and the system.
  • the transport connection defines the mapping between peer convergence processes using the MAC and service flow, and the service flow defines the QoS parameters of the MAC PDUs exchanged in that connection.
  • Service flow on the transport connection plays a key role in the operation of the MAC protocol, and provides a mechanism for QoS management of uplink and downlink.
  • service flows may be combined with a bandwidth allocation process.
  • a terminal may have a universal MAC address of 48 bits in length per air interface. This address uniquely defines the air interface of the terminal and may be used to establish the terminal's connection during the initial ranging process. Since the base station verifies the terminals with different identifiers (IDs) of the terminals, the universal MAC address may also be used as part of the authentication process.
  • IDs identifiers
  • Each connection may be identified by a connection identifier (CID) of 16 bits in length.
  • CID connection identifier
  • FIG. 4 illustrates a process of generating MAC PDUs for a plurality of MAC SDUs in a typical wireless wireless access system.
  • MAC SDUs are transmitted for several, for example, three different flow connections for one UE.
  • the base station or the terminal may use a different generic MAC header (GMH) for each connection.
  • GMH generic MAC header
  • each MAC PDU may include security information about the corresponding MAC PDU.
  • the security information for the MAC PDU may be composed of a pair of packet number (PN) and integrity check value (ICV: Integrity Check Value).
  • FIG. 5 illustrates the format of a general MAC PDU when a broadcast control message is transmitted.
  • the MAC PDU may process connection payload information of one connection.
  • MAC CPS forms MAC PDUs.
  • the format of a general MAC PDU for Broadcast MAC control message transmission may be configured like the MAC PDU 501 of FIG. 5.
  • the MAC PDU 501 includes a GMH 502, an Extended Header (EH) 503, and a payload 504.
  • the payload consists of payloads from at least one connections.
  • Each connection payload consists of at least one MAC SDU or MAC SDU fragment received from the CS layer for that connection.
  • the format of the GMH may be configured like the GMH 502 of FIG. 5.
  • the GMH 502 includes a Flow ID (Flow ID) field for connection identification.
  • the GMH 502 includes an EH field indicating whether EH exists in a MAC PDU.
  • the GMH 502 includes a Length field indicating the payload length of the MAC PDU. The size of the GMH is fixed.
  • the format of the EH includes an EH Type field indicating an EH type and an EH Body field for a specific content type, although not shown in FIG. 5.
  • the MAC PDU includes GMH of fixed size.
  • a broadcast message indicates a resource allocation for a burst in which a broadcast message is transmitted through non-user specific A-MAP in MAP (or by blind decoding with a broadcast STID).
  • the plurality of broadcast messages cannot be multiplexed because they are transmitted using the same Flow ID, but must be concatenated and transmitted in one burst.
  • the control message may be transmitted in a broadcast, multicast or unicast message, and the type of all control messages is defined by the first field of the message. Therefore, the terminal can know what kind of broadcast message the transmitted message is only after decoding the payload.
  • the terminal decodes all broadcast messages transmitted in the corresponding subframe.
  • broadcast messages will be sent with the same Flow ID in the known resource zone via a non-user specific MAP (or broadcast STID), and broadcast messages will be broadcast messages with MAC PDUs sent to that resource via a non-user specific MAP.
  • the flow ID transmitted in the GMH of the broadcast message may be a meaningless value.
  • the terminal should decode even if it is a message that it does not need to receive because of the broadcast message. Therefore, this causes the overhead of the terminal to increase.
  • an object of the present invention is to provide a method and apparatus for efficiently receiving a broadcast message by the terminal using the header of the MAC PDU. have.
  • a method for operating a terminal for receiving a broadcast control message composed of MAC PDUs in a wireless access system comprising: receiving at least one broadcast control message from a base station in a resource region where a broadcast control message is transmitted ; Extracting broadcast control message type information indicating a type of broadcast control message included in a header of the received broadcast control message; And after checking the extracted broadcast control message type information, determining whether to decode the payload of the received broadcast message.
  • the header including the broadcast control message type information may be a general MAC header, an extended header, or a MAC control extended header.
  • the flow ID field of the GMH may indicate the broadcast control message type information.
  • the extended header is a newly added extended header indicating a type of a broadcast control message transmitted from a base station.
  • the broadcast message type information may be added to the last field of the MCEH.
  • the broadcast control message type information is characterized in that the information indicating the type of the control message transmitted in the payload (payload) of the broadcast control message.
  • the broadcast control message type information is classified according to the state of the terminal.
  • broadcast control message type field set in the payload of the broadcast control message may be omitted.
  • the present specification is a terminal for receiving a broadcast control message consisting of MAC PDU in a wireless access system, the radio for receiving at least one broadcast control message from the base station in the resource region to which the broadcast control message is transmitted Communication unit; And extracting broadcast control message type information indicating a type of broadcast control message included in a header of the received broadcast control message, checking the extracted broadcast control message type information, and then receiving the received broadcast message. It includes a control unit for controlling to determine whether to decode for the payload of.
  • the broadcast control message type information is characterized in that the information indicating the type of the control message transmitted in the payload (payload) of the broadcast control message.
  • the header including the broadcast control message type information may be a generic MAC header, an extended header, or a MAC control extended header.
  • the flow ID field of the GMH may indicate the broadcast control message type information.
  • the extended header is a newly added extended header indicating a type of a broadcast control message transmitted from a base station.
  • the broadcast control message type information may be added to the last field of the MCEH.
  • the broadcast control message type information is classified according to the state of the terminal.
  • the terminal can know the type of broadcast control message transmitted from the base station in advance, and unnecessarily decodes the payload of all broadcast control messages. It is effective in reducing the overhead.
  • 1 illustrates an example of a commonly used internet protocol stack.
  • FIG. 2 is a diagram illustrating the operation of each layer for data transmission generally used.
  • FIG. 3 is a diagram illustrating a protocol layer model defined in a wireless mobile communication system based on the IEEE 802.16 system generally used.
  • FIG. 4 is a diagram illustrating a process of generating a MAC PDU for a plurality of MAC SDUs in a typical wireless wireless access system.
  • FIG. 5 is a diagram illustrating a format of a general MAC PDU when a broadcast control message is transmitted.
  • FIG. 6 is a flow chart for a terminal to receive a broadcast control message using broadcast control message type information according to one embodiment of the present specification.
  • FIG. 7 is a diagram illustrating an example of a MAC PDU format in which a broadcast control message type field is redefined in a Flow ID field of GMH of a MAC PDU according to one embodiment of the present specification;
  • FIG. 8 is a diagram illustrating an example of a MAC PDU (Broadcast message) to which an extension header is newly added to inform a broadcast message type according to one embodiment of the present specification
  • FIG. 9 illustrates an example of a MAC PDU (broadcast message) in which a field indicating broadcast message type information is added to MCEH according to an embodiment of the present specification.
  • FIG. 10 is an internal block diagram of a terminal according to an embodiment of the present disclosure.
  • the present specification proposes an apparatus and method for providing an emergency service in a communication system, for example, a communication system using the Institute of Electrical and Electronics Engineers (IEEE) 802.16 standard (hereinafter referred to as an IEEE 802.16 communication system). .
  • IEEE Institute of Electrical and Electronics Engineers
  • the base station has a meaning as a terminal node of the network that directly communicates with the terminal.
  • the specific operation described as performed by the base station in this document may be performed by an upper node of the base station in some cases.
  • 'Base station' may be replaced by terms such as a fixed station, a Node B, an eNode B (eNB), an access point, and the like.
  • terminal may be replaced with terms such as a user equipment (UE), a mobile station (MS), a mobile subscriber station (MSS), and the like.
  • Embodiments of the present specification may be implemented through various means. For example, embodiments of the present specification may be implemented by hardware, firmware, software, or a combination thereof.
  • a method according to embodiments of the present disclosure may include one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs). Field programmable gate arrays (FPGAs), processors, controllers, microcontrollers, microprocessors, and the like.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs Field programmable gate arrays
  • processors controllers, microcontrollers, microprocessors, and the like.
  • the method according to the embodiments of the present specification may be implemented in the form of a module, procedure or function that performs the functions or operations described above.
  • the software code may be stored in a memory unit and driven by a processor.
  • the memory unit may be located inside or outside the processor, and may exchange data with the processor by various known means.
  • FIG. 6 is a flowchart for receiving a broadcast control message by a terminal using broadcast control message type information included in a header of a broadcast control message according to an embodiment of the present disclosure.
  • the terminal receives at least one broadcast message from the base station in the resource region in which the broadcast message is transmitted (S601).
  • the broadcast message is transmitted in a known resource region through a non-user specific MAP (or broadcast STID). It is sent with the same Flow ID.
  • the broadcast message received from the base station is a control message, and consists of a MAC PDU to which one GMH is added. That is, the MAC PDU is composed of GMH, EH and payload.
  • At least one broadcast control message may be included in the MAC PDU and transmitted.
  • the terminal extracts broadcast message type information indicating the type of broadcast message included in the header of the received broadcast message (S602).
  • the broadcast message type information refers to information indicating the type of broadcast message transmitted in the payload of the MAC PDU.
  • the header of the MAC PDU including the broadcast message type information may be a generic MAC header, an extended header, or a MAC control extended header.
  • the terminal checks the extracted broadcast message type information and then determines whether to decode the payload of the received broadcast message (S603).
  • the terminal can know the type of the broadcast message in advance by decoding the header of the broadcast message transmitted from the base station. Accordingly, the terminal may selectively decode all the payloads of the broadcast control message transmitted from the base station.
  • broadcast control message type information is transmitted by being included in various headers (GMH, EXM, MCEH) of a MAC PDU.
  • FIG. 7 illustrates an example of a MAC PDU format in which a broadcast control message type field is redefined in a Flow ID field of GMH 700 of a MAC PDU according to an embodiment of the present specification.
  • the Flow ID field transmitted in the GMH 700 of the broadcast control message (MAC PDU) transmitted through the resource allocation indicated by the non-user specific MAP or the STID for broadcast is a broadcast control message.
  • the flow id defined in the existing GMH is meaningless value (all broadcast messages have the same Flow ID ('0000') value). Is likely to be sent via). That is, by setting the FID differently according to the broadcast control message type, the terminal can know in advance the type of the broadcast control message transmitted from the base station by checking the FID.
  • a plurality of broadcast control messages may be transmitted through a MEF (Multiflexing Extended Header).
  • MEF Multiflexing Extended Header
  • the Flow ID used in the MEH of the MAC PDU transmitted through the MAP indicating the broadcast message transmission indicates the broadcast message type information transmitted from the base station.
  • FIG. 8 is a diagram illustrating an example of a MAC PDU (broadcast message) to which an extension header is newly added to inform a broadcast message type according to an embodiment of the present specification.
  • a new EH 800 for indicating a broadcast message type is defined to inform in advance what kind of broadcast message a broadcast message transmitted from a payload is through a B_Type field.
  • FIG. 9 is a diagram illustrating an example of a MAC PDU (broadcast message) in which a field indicating broadcast message type information is added to an MCEH 900 according to an embodiment of the present specification.
  • the MCEH 900 of a message transmitted through a non-user specific MAP adds a broadcast control message type as a last field, so as to know in advance what kind of message is a broadcast message transmitted from a payload. To help.
  • the flow ID field of each broadcast message is defined in place of the control message type field.
  • Table 1 shows an example of a broadcast message type and flow id mapping according to the present specification.
  • the broadcast message type defined in Table 1 corresponds to one embodiment and may be defined differently.
  • the broadcast message type defined in Table 1 may be equally applied to the header of the MAC PDU illustrated in FIGS. 8 and 9.
  • Table 1 Flow ID (or Broadcast Control message type field) Broadcast Message name Broadcast Message description 0b0000 AAI_SCD System configuration descriptor 0b0001 AAI_SII-ADV Service Identity Information Advertisement 0b0010 AAI_RNG-ACK Aggregated CDMA ranging Acknowledge 0b0011 AAI_TRF-IND Traffic Indication 0b0100 AAI_NBR-ADV Neighbor advertisement 0b0101 AAI_PAG-ADV BS Paging Advertisement 0b0110 AAI_UL_Power_Control UL power control 0b0111 AAI_MC-ADV Multicarrier Advertisement 0b1000 PGID_info Paging group Advertisement 0b1001-0b1111 reserved
  • the first of the broadcast control message transmitted to the payload of the MAC PDU is transmitted.
  • the 8 bits Type field transmitted to the field may be omitted.
  • the broadcast control message may be classified according to the characteristics of the terminal according to the characteristics of the terminal without mapping the broadcast control message type to each FID one-to-one.
  • a broadcast message having similar characteristics may be bundled and defined as a broadcast message type.
  • the terminal can selectively receive the broadcast message transmitted from the base station according to the state of the terminal (eg, idle mode, sleep mode state).
  • the state of the terminal eg, idle mode, sleep mode state.
  • the AAI_TRF-IND message is valid only for the sleep mode terminal, but it is transmitted as a broadcast message. Therefore, even if the active mode terminal or the idle mode terminal that does not need to receive this message is transmitted in the corresponding subframe, Only after the payload had been decoded did we know that this was an unnecessary broadcast message for us.
  • the terminal when the broadcast message type is defined according to the characteristics of the terminal, the terminal only needs to decode the payload of the broadcast message corresponding to the state of the current terminal.
  • messages such as AAI_PAG-ADV and PGID_info are valid only for idle mode terminals, and idle mode terminals need to receive all paging related messages.
  • the types of broadcast messages to be received are different according to the characteristics of the UE, the types of these broadcast messages are newly defined and included in the above-described MAC PDU (broadcast message) header to be transmitted, thereby paying the payload of the MAC PDU. It is possible to reduce the decoding overhead for.
  • Table 2 below shows an example of classifying broadcast control message types according to characteristics of a terminal.
  • the broadcast control message type classified as shown in Table 2 may be used as a criterion for any field value for classifying STID or broadcast message type in A-MAP.
  • the STID or the broadcast message type field for a specific purpose may be defined by the type field defined in Table 2 so that the MAP may identify the type of the broadcast control message.
  • FIG. 10 is an internal block diagram of a terminal 1000 according to an exemplary embodiment of the present specification.
  • the terminal includes a wireless communication unit 1010 including a transmitter 1011 and a receiver 1012, and a controller 1020.
  • the wireless communication unit 1010 receives at least one broadcast control message from the base station in the resource region where the broadcast control message is transmitted.
  • the wireless communication unit may be composed of a transmitter 1011 and a receiver 1012.
  • the controller 1020 extracts broadcast control message type information indicating a type of broadcast control message included in a header of the received broadcast control message, checks the extracted broadcast control message type information, and then receives the received information. Control whether to decode the payload of the broadcast message is determined.
  • the broadcast control message type information refers to information indicating the type of control message transmitted in the payload of the broadcast control message.
  • the header including the broadcast control message type information may be a generic MAC header, an extended header, or a MAC control extended header.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de fonctionnement d'un terminal destiné à recevoir un message de commande de diffusion composé de plusieurs PDU MAC dans un système d'accès sans fil, le procédé comprenant les étapes de : réception d'au moins un message de commande de diffusion depuis une station de base dans une région de ressources à partir de laquelle un message de commande de diffusion est transmis ; extraction d'informations de type de message de commande de diffusion révélatrices d'un type du message de commande de diffusion qui est contenu dans un en-tête du message de commande de diffusion reçu ; et détermination s'il faut décoder des données utiles du message de diffusion reçu, après la confirmation des informations de type de message de commande de diffusion extraites.
PCT/KR2010/007921 2009-11-10 2010-11-10 Procédé et appareil pour recevoir un message de commande de diffusion efficace utilisant un en-tête pdu mac dans un système d'accès sans fil WO2011059231A2 (fr)

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US25964709P 2009-11-10 2009-11-10
US61/259,647 2009-11-10
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KR1020100111244A KR20110052492A (ko) 2009-11-10 2010-11-10 무선 접속 시스템에서 ｍａｃ ｐｄｕ 헤더를 이용한 효율적인 브로드캐스트 제어 메시지 수신 방법 및 장치

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015102394A1 (fr) * 2014-01-02 2015-07-09 Lg Electronics Inc. Dispositif d'émission de diffusion et son procédé de fonctionnement, et dispositif de réception de diffusion et son procédé de fonctionnement
US10492100B2 (en) * 2015-01-02 2019-11-26 Lg Electronics Inc. Broadcast signal transmission apparatus, broadcast signal receiving apparatus, broadcast signal transmission method, and broadcast signal receiving method
KR102534026B1 (ko) 2015-02-26 2023-05-19 삼성전자 주식회사 유니캐스트 디바이스 대 디바이스(d2d) 통신과 그룹캐스트 d2d 통신을 식별하는 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080043042A (ko) * 2006-11-13 2008-05-16 삼성전자주식회사 무선 이동통신 시스템에서 방송 채널의 커버리지 확대를위한 장치 및 방법
KR20080106089A (ko) * 2007-05-31 2008-12-04 이노베이티브 소닉 리미티드 무선 통신 시스템에서 다운링크 공유 채널의 송신을개선하기 위한 방법 및 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583623B2 (en) * 2001-03-02 2009-09-01 Ofer Zimmerman Method and system for packing management messages in a communication system
US7564831B2 (en) * 2004-12-27 2009-07-21 Lg Electronics, Inc. Method of transmitting feedback information using an extended subheader
GB2442783A (en) * 2006-10-13 2008-04-16 Fujitsu Ltd Wireless communication systems
US8386907B2 (en) * 2007-10-23 2013-02-26 Nokia Siemens Networks Oy Multi-user packing techniques for wireless network
JP5324647B2 (ja) * 2008-04-25 2013-10-23 サムスン エレクトロニクス カンパニー リミテッド 無線通信システムにおける緊急サービス提供装置及びその方法
US8270327B2 (en) * 2009-01-23 2012-09-18 Qualcomm Incorporated Methods and systems for WiMAX broadcasting messages processing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080043042A (ko) * 2006-11-13 2008-05-16 삼성전자주식회사 무선 이동통신 시스템에서 방송 채널의 커버리지 확대를위한 장치 및 방법
KR20080106089A (ko) * 2007-05-31 2008-12-04 이노베이티브 소닉 리미티드 무선 통신 시스템에서 다운링크 공유 채널의 송신을개선하기 위한 방법 및 장치

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LG ELECTRONICS: 'Proposed Text on Transmission of Broadcast MAC Control Messages (15.2.4.7)' IEEE 802.16 BROADBAND WIRELESS ACCESS WORKING GROUP, IEEE C802.16M-09/2587R1 06 November 2009, *
SAMSUNG ELECTRONICS CO., LTD: 'Transmission for Broadcast Management Message (15.3.6.5.4.1)' IEEE 802.16 BROADBAND WIRELESS ACCESS WORKING GROUP, IEEE C802.16M-09/1983 19 March 2008, *

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